-Chadden Hunter, one of the directors of the new Discovery show Frozen Planet, talks about the making of the series, what it's like to scuba dive in Antarctica, and braving the elements to get incredible footage.
-Avital Binshtock, Green Lifestyle Editor for Sierra Magazine, tells us about an opportunity to get "The Best Internship on Earth."
-Kim Wasserman, Executive Director of the Little Village Environmental Justice Organization, on a big victory to retire two dirty coal plants in Chicago
-The Sierra Club's Athan Manuel on how drilling for more oil won't help reduce gas prices